STD2180D55
View detailed technical data, stock status, and sourcing information for: STD2180D55
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A screw, machine or screw, cap, socket head whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 in.) (0.025 mm) or less of a specific diameter for items (1.000 in.) (25 mm) or less in diameter. Items over (1.000 in.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 in.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 in.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.
0.220 inches nominal thread length, right-hand thread direction, 3a thread class, flat countersunk head style, 0.833 inches minimum and 0.853 inches maximum fastener length
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Thread Class
- 3a
- Thread Direction
- right-hand
- Thread Length
- 0.220 inches nominal
- Fastener Length
- 0.833 inches minimum and 0.853 inches maximum
- Head Style
- flat countersunk
- Head Diameter
- 0.337 inches minimum and 0.387 inches maximum
- Grip Diameter
- 0.1898 inches minimum and 0.1904 inches maximum
- Internal Drive Style
- high-torque
- Nominal Thread Diameter
- 0.190 inches
- Grip Length
- 0.550 inches minimum and 0.623 inches maximum
- Thread Quantity Per Inch
- 32a
- Countersink Angle
- 99.0 degrees minimum and 101.0 degrees maximum
- Material
- titanium alloy uns r56400 overall
- Material Document And Classification
- ams 4967 assn std single material response overall
- Surface Treatment
- cadmium overall
- Surface Treatment Document And Classification
- std 2167 cagec 99995 mfr ref single treatment response overall
- Thread Series Designator
- unf
Related Parts
This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:
| Part Number | Name |
|---|---|
| 99-6038812 | Close Tolerance Screw |
| STD2180D55 | Close Tolerance Screw |
FAQs
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Does NSN 5305-00-467-7557 contain precious materials?
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When the NSN 5305-00-467-7557 was assigned to the Federal Catalog?
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